package com.atguigu.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.lang.Nullable;

import javax.annotation.PostConstruct;
import java.util.HashMap;
import java.util.Map;

@EnableRabbit
@Configuration
public class MyRabbitMQConfig {


    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }


    @Bean
    public Exchange exchange(){
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange",true,false);
    }
    @Bean
    public Queue orderReleaseQueue(){
        //String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
        return new Queue("order.release.order.queue",true,false,false);
    }

    @Bean
    public Queue orderDelayQueue(){
        Map<String, Object> args = new HashMap<>();
        args.put("x-dead-letter-exchange","order-event-exchange");
        args.put("x-dead-letter-routing-key","order.release.order");
        args.put("x-message-ttl",60000);
        return new Queue("order.delay.queue",true,false,false,args);
    }

    @Bean
    public Binding orderReleaseBinding(){
        //String destination, DestinationType destinationType, String exchange, String routingKey,
        //			Map<String, Object> arguments
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }
    @Bean
    public Binding orderCreatedBinding(){
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null
        );
    }

    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null
        );
    }

    @Bean
    public Binding seckillOrderCreateBinding(){
        //String destination, DestinationType destinationType, String exchange, String routingKey,
        //			Map<String, Object> arguments
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

    @Bean
    public Queue orderSeckillOrderQueue(){
        return new Queue("order.seckill.order.queue",true,false,false);
    }


}
